Exercise $1$: Suppose we have the following list:

x $=[5,10,3,2,8,0]$

$$ explis what would be the "start" when it is not specified in slicing and the

stride is negative. Why does it make sense?

Exercise $2$: Suppose we have the following list:

$=[1,2,3,4]$

Which of the following creates a list with elements being the corresponding elements of $"$a$"$ added to $1?$

$*$ a $+1$

$*$ a $+[1,1,1,1]$

$*[$i$+1$ for i in al

$*[$a $+1]$

Exercise $3$: Suppose we have the following dictionary:

d $=\{1$: "good", $2$: "morning", $3$: "john"$\text{'}\}$

a$)$ Write a piece of code that loops through the values of this dictionary and makes the first letter in each word upper case $($hint: check out string. title$()$ method$).$

The output should look like this:

value $=$ Good

value $=$ Morning

value $=$ John

b$)$ use the iterable unpacking operator to create the following set:

$\{\text{'}$ good'

$,$ 'john',

'morning'$\}$